Much of the new oil is of inferior quality, selling for less than a third of average international prices.

ECONOMIST: Sudan

You know the brands with a combination of tired campaigns, lack of product innovation, inferior quality and customer service.

FORBES: Does Your Brand Have Diaper Rash?

Nevertheless, the developing world should not be expected to endure an inferior quality of life compared to the developed world.

FORBES: Global Warming's Consumption Paradox

However, if your vehicle doesn't have a factory-fitted USB port, connecting your MP3 player can often result in a maze of wires, inferior sound quality, and no remote control function.

ENGADGET: Ford USB Music Box adds mass storage playback, smartphone charging to AUX-enabled receivers

Like inflation, transfers of economic growth tend to produce inferior product quality.

FORBES: Obama's Stimulus Program Did Work ... For Washington

Streaming video, which enables the viewer to play a file that resides on a remote server, was believed to be a less desirable method of delivery, because the picture quality was often inferior.

NEWYORKER: Streaming Dreams

While the professors have made quite a stir in the press, Corning points out that the fiber produced by the professors has not come up to the quality of the existing Corning fiber--inferior in the important broad band qualities needed for carrying the varied communications of the future.

FORBES: The Trials Of Amory Houghton Jr.

As we'll see shortly, the quality of medical care that Americans buy is often inferior to the treatment people get in other countries.

NPR: Excerpt: 'The Healing Of America'

Dr Corrigan added that vocational and technical studies should not be seen as inferior, but that meant ensuring the qualifications on offer should be of the highest quality.

BBC: Apprenticeships 'should last three years' - report